39490190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{44371}}^1$

素因数の和:44467

約数の個数: 16

約数和(自身を含む): 71882640

約数和(自身を除く): 32392450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 44371, 88742, 221855, 443710, 3949019, 7898038, 19745095, 39490190]

約数ペア:

[(1, 39490190), (2, 19745095), (5, 7898038), (10, 3949019), (89, 443710), (178, 221855), (445, 88742), (890, 44371)]